🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.7

Radius: 13.3

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.46 AU - 0.56 AU

Year: 247 Days

Day: 14.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,927,147 km

• M1: 165,904 km (0.055 R)
• M2: 603,179 km (0.103 R)
• M3: 1,025,493 km (0.052 R)
• M4: 1,531,284 km (0.097 R)
• M5: 2,118,156 km (0.074 R)
• M6: 3,031,750 km (0.108 R)
• M7: 3,533,651 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.3

Radius: 10.9

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.96 AU - 1.48 AU

Year: 914 Days

Day: 12.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,927,147 km

• M1: 136,284 km (0.103 R)
• M2: 548,276 km (0.094 R)
• M3: 895,343 km (0.085 R)
• M4: 1,288,935 km (0.116 R)
• M5: 1,760,169 km (0.082 R)
• M6: 2,178,594 km (0.099 R)
• M7: 2,581,012 km (0.115 R)
• M8: 3,067,355 km (0.059 R)
• M9: 3,864,113 km (0.097 R)
• M10: 4,578,443 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.4

Radius: 8.3

Gravity: 11.47 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.52 AU - 2.34 AU

Year: 1819 Days

Day: 7.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,927,147 km

• M1: 103,223 km (0.117 R)
• M2: 440,267 km (0.094 R)
• M3: 739,013 km (0.115 R)
• M4: 1,032,525 km (0.101 R)
• M5: 1,506,750 km (0.104 R)
• M6: 2,047,995 km (0.073 R)
• M7: 2,344,797 km (0.119 R)
• M8: 2,614,073 km (0.059 R)
• M9: 3,362,960 km (0.095 R)
• M10: 3,707,035 km (0.098 R)
• M11: 4,755,118 km (0.066 R)
• M12: 5,939,634 km (0.061 R)
• M13: 7,197,602 km (0.114 R)
• M14: 8,405,456 km (0.101 R)
• M15: 9,271,478 km (0.117 R)
• M16: 10,625,488 km (0.068 R)
• M17: 11,067,400 km (0.058 R)
• M18: 12,106,656 km (0.062 R)
• M19: 13,294,015 km (0.085 R)
• M20: 14,068,782 km (0.09 R)
• M21: 14,557,070 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774

Radius: 14.5

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.72 AU - 2.7 AU

Year: 2228 Days

Day: 8.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,927,147 km

• M1: 180,714 km (0.074 R)
• M2: 675,883 km (0.118 R)
• M3: 1,441,824 km (0.12 R)
• M4: 2,127,581 km (0.086 R)
• M5: 3,025,467 km (0.082 R)
• M6: 3,598,577 km (0.026 R)
• M7: 4,144,310 km (0.112 R)
• M8: 4,659,076 km (0.038 R)
• M9: 5,309,677 km (0.111 R)
• M10: 8,251,220 km (0.115 R)
• M11: 13,603,383 km (0.09 R)
• M12: 15,465,278 km (0.098 R)
• M13: 17,073,007 km (0.072 R)
• M14: 18,349,974 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.6

Radius: 9.9

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.17 AU - 3.19 AU

Year: 2976 Days

Day: 9 Hours

Environment

Temp: -200 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,927,147 km

• M1: 123,119 km (0.114 R)
• M2: 505,491 km (0.091 R)
• M3: 813,513 km (0.051 R)
• M4: 1,128,118 km (0.115 R)
• M5: 1,956,591 km (0.102 R)
• M6: 2,355,568 km (0.041 R)
• M7: 3,354,134 km (0.105 R)
• M8: 3,890,741 km (0.12 R)
• M9: 4,210,582 km (0.11 R)
• M10: 4,972,484 km (0.083 R)
• M11: 5,398,688 km (0.115 R)
• M12: 5,746,952 km (0.048 R)
• M13: 7,443,691 km (0.075 R)
• M14: 9,451,294 km (0.089 R)
• M15: 10,069,732 km (0.071 R)
• M16: 12,686,049 km (0.119 R)
• M17: 13,941,474 km (0.117 R)
• M18: 15,674,865 km (0.119 R)
• M19: 17,928,258 km (0.101 R)
• M20: 19,160,944 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.5

Radius: 12.3

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 5.04 AU - 5.68 AU

Year: 8417 Days

Day: 9.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,927,147 km

• M1: 161,416 km (0.105 R)
• M2: 800,648 km (0.11 R)
• M3: 1,263,504 km (0.111 R)
• M4: 2,056,522 km (0.059 R)
• M5: 3,034,892 km (0.118 R)
• M6: 3,901,064 km (0.086 R)
• M7: 6,121,395 km (0.112 R)
• M8: 6,770,052 km (0.108 R)
• M9: 7,464,186 km (0.115 R)
• M10: 8,124,960 km (0.048 R)
• M11: 10,109,675 km (0.072 R)
• M12: 11,720,096 km (0.057 R)
• M13: 12,240,247 km (0.103 R)
• M14: 13,049,422 km (0.087 R)
• M15: 15,015,587 km (0.049 R)
• M16: 15,942,944 km (0.025 R)
• M17: 16,777,102 km (0.046 R)
• M18: 17,843,585 km (0.039 R)
• M19: 19,745,124 km (0.091 R)
• M20: 21,700,368 km (0.026 R)
• M21: 22,885,482 km (0.068 R)
• M22: 30,332,165 km (0.091 R)
• M23: 32,826,560 km (0.102 R)
• M24: 37,097,130 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156.2

Radius: 7.9

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 8.31 AU - 10.55 AU

Year: 19641 Days

Day: 15.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,927,147 km

• M1: 100,979 km (0.066 R)
• M2: 498,909 km (0.094 R)
• M3: 1,730,249 km (0.103 R)
• M4: 2,013,139 km (0.114 R)
• M5: 2,534,338 km (0.077 R)
• M6: 4,917,282 km (0.045 R)
• M7: 5,424,269 km (0.055 R)
• M8: 5,965,514 km (0.056 R)
• M9: 7,476,154 km (0.09 R)
• M10: 8,060,632 km (0.102 R)
• M11: 9,703,217 km (0.098 R)
• M12: 10,706,570 km (0.108 R)
• M13: 12,917,776 km (0.109 R)
• M14: 17,853,309 km (0.115 R)
• M15: 18,593,968 km (0.093 R)
• M16: 19,278,079 km (0.102 R)
• M17: 25,645,264 km (0.095 R)
• M18: 26,779,066 km (0.11 R)
• M19: 30,799,958 km (0.098 R)
• M20: 42,314,356 km (0.085 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 236 - 16,424 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit